Features 1、After QPQ nitriding treatment, the surface friction is small, the finish is good, and there is no blunt point, and there will be no jamming during the expansion and contraction process. 2、The flat head connector is rust‑resistant and corrosion‑resistant, strong and does not fall off, easy to disassemble and install 3、Complete load‑bearing specifications, 100N, 200N, 300N, 400N, 500N, 600N, 700N to choose from, can meet different needs 4、The cylinder body made of thick accuracy steel pipe whicih has high bearing capacity, high gloss and white appearance, and is not easy to be deformed. 5、Wide range of uses, suitable for beds, tatami mats, cabinets, cars, industrial equipment, windows and lofts Specification Item Type: Hydraulic Rod Lift Material: Accuracy steel tube Center Distance (L): Approx. 537mm / 21.1in Stroke (S): Approx. 225mm / 8.9in Cylinder Diameter (D): Approx. 22mm / 0.9in Piston Rod Diameter (d): Approx. 10mm / 0.4in Installation Hole Distance: Approx. 8mm / 0.3in Scope of Application: For bed/tatami/cabinet/car/industrial equipment/window/loft Package List 1 x Hydraulic Rod Lift